Add a bin loader

src/simulator/print.rs

@@ -216,7 +216,7 @@ pub fn print(ins: Instruction, pc: i32) -> String { //TODO pc should be u64
         RISCV_SYSTEM => {
             "ecall".to_string()
         },
-        _ => todo!("{:x} opcode non géré  pc : {:x}, value : {:x}", ins.opcode, pc, ins.value) // Change todo! to panic! in the future, I put todo! because there's a lot of opcode currently not implemented
+        _ => unreachable!("{:x} opcode non géré  pc : {:x}, value : {:x}", ins.opcode, pc, ins.value)
     }
 
 }